Portable telephone



FIG. 1 is a front, top and right side perspective view of a portable telephone, showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is an enlarged cross-sectional view thereof, taken along line 8—8 of FIG. 2, with the internal system omitted. 

The ornamental design for a portable telephone, as shown and described. 